class Guanli_Scence {
	public constructor() {
	}
	private static _m:Guanli_Scence;
	static get(){
		if(Guanli_Scence._m==null){
			Guanli_Scence._m=new Guanli_Scence();
    	}
		return Guanli_Scence._m
	}
	private _h:Scence;
	public gameStra:egret.DisplayObjectContainer;
	public changeScene(newScene:Scence){
		if(this._h){
			this.gameStra.removeChild(this._h);
			this._h=null;
		}
		this.gameStra.addChild(newScene);
		this._h=newScene; 
	} 		

}